Stocks to watch at noon on Thursday

AUSTRALAND PROPERTY GROUP - down 8¢, or 2.29 per cent, at $3.42. Property developer and owner Australand's full-year profit has risen by 28 per cent and the company expects further earnings growth in 2013.

NATIONAL AUSTRALIA BANK - up 44¢, or 1.56 per cent, at $28.55. National Australia Bank is on track to post a $6 billion full-year cash profit after improving earnings in the first three months.

NEWS CORPORATION - down $1.09, or 3.96 per cent, at $26.40: NEWS CORP NON-VOTING COMMON STOCK - down $1.13, or 4.15 per cent, at $26.10. Global media giant News Corp has more than doubled its first-half profit due to the financial benefits of its purchase of a greater stake in Fox Sports.

RIO TINTO - up 48¢, or 0.70 per cent, at $68.56. It is variously described as one of the wealthiest towns in Australia, a mining centre and a place for nearby Aboriginal people to get schooling, food and hospital care.

TABCORP HOLDINGS - up 4.5¢, or 1.46 per cent, at $3.125. Gaming company Tabcorp says its revenues are on the rise after suffering a 62 per cent slide in first-half net profit.

TELSTRA CORP - up 5.5¢, or 1.20 per cent. Telstra is on track to meet its full-year earnings targets after lifting first-half profit by nearly nine per cent.

VIRGIN AUSTRALIA HOLDINGS - down 1.25¢, or 2.78 per cent, at 43.75¢. The competition watchdog has flagged that it has some concerns about Virgin Australia's $35 million plan to buy a major stake in budget airline Tiger Airways.

WHITEHAVEN COAL - down 11¢, or 3.45 per cent, at $3.08. The federal government has delayed by three months its decision on whether to allow Whitehaven Coal to develop a controversial mine in northern NSW.